Yes, we're now running our Black Friday Sale. All Access and Pro are 33% off until 2nd December, 2025:
Java Web Weekly 44
Last updated: August 6, 2021
Modern software architecture is often broken. Slow delivery leads to missed opportunities, innovation is stalled due to architectural complexities, and engineering resources are exceedingly expensive.
Orkes is the leading workflow orchestration platform built to enable teams to transform the way they develop, connect, and deploy applications, microservices, AI agents, and more.
With Orkes Conductor managed through Orkes Cloud, developers can focus on building mission critical applications without worrying about infrastructure maintenance to meet goals and, simply put, taking new products live faster and reducing total cost of ownership.
Try a 14-Day Free Trial of Orkes Conductor today.
Modern software architecture is often broken. Slow delivery leads to missed opportunities, innovation is stalled due to architectural complexities, and engineering resources are exceedingly expensive.
Orkes is the leading workflow orchestration platform built to enable teams to transform the way they develop, connect, and deploy applications, microservices, AI agents, and more.
With Orkes Conductor managed through Orkes Cloud, developers can focus on building mission critical applications without worrying about infrastructure maintenance to meet goals and, simply put, taking new products live faster and reducing total cost of ownership.
Try a 14-Day Free Trial of Orkes Conductor today.
Mocking is an essential part of unit testing, and the Mockito library makes it easy to write clean and intuitive unit tests for your Java code.
Get started with mocking and improve your application tests using our Mockito guide:
Spring 5 added support for reactive programming with the Spring WebFlux module, which has been improved upon ever since. Get started with the Reactor project basics and reactive programming in Spring Boot:
Since its introduction in Java 8, the Stream API has become a staple of Java development. The basic operations like iterating, filtering, mapping sequences of elements are deceptively simple to use.
But these can also be overused and fall into some common pitfalls.
To get a better understanding on how Streams work and how to combine them with other language features, check out our guide to Java Streams:
Explore Spring Boot 3 and Spring 6 in-depth through building a full REST API with the framework:
Yes, Spring Security can be complex, from the more advanced functionality within the Core to the deep OAuth support in the framework.
I built the security material as two full courses - Core and OAuth, to get practical with these more complex scenarios. We explore when and how to use each feature and code through it on the backing project.
You can explore the course here:
Modern software architecture is often broken. Slow delivery leads to missed opportunities, innovation is stalled due to architectural complexities, and engineering resources are exceedingly expensive.
Orkes is the leading workflow orchestration platform built to enable teams to transform the way they develop, connect, and deploy applications, microservices, AI agents, and more.
With Orkes Conductor managed through Orkes Cloud, developers can focus on building mission critical applications without worrying about infrastructure maintenance to meet goals and, simply put, taking new products live faster and reducing total cost of ownership.
Try a 14-Day Free Trial of Orkes Conductor today.
Spring Data JPA is a great way to handle the complexity of JPA with the powerful simplicity of Spring Boot.
Get started with Spring Data JPA through the guided reference course:
Refactor Java code safely — and automatically — with OpenRewrite.
Refactoring big codebases by hand is slow, risky, and easy to put off. That’s where OpenRewrite comes in. The open-source framework for large-scale, automated code transformations helps teams modernize safely and consistently.
Each month, the creators and maintainers of OpenRewrite at Moderne run live, hands-on training sessions — one for newcomers and one for experienced users. You’ll see how recipes work, how to apply them across projects, and how to modernize code with confidence.
Join the next session, bring your questions, and learn how to automate the kind of work that usually eats your sprint time.
Yes, we're now running our Black Friday Sale. All Access and Pro are 33% off until 2nd December, 2025:
At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since.
Here we go…
1. Spring and Java
>> Will There Be Module Hell? [codefx.org]
A bit of a clickbaity title, but overall a solid writeup on what’s coming into the picture with the Java 9 modularity work.
>> React.js and Spring Data REST: Part 5 – Security [spring.io]
A solid installment in the series, this time diving deep into security and how that affects the UI. Good stuff.
>> Walkthrough for a TDD Kata in Eclipse [advancedweb.hu]
TDD with Eclipse is a fun, highly useful practice to have. It can lead to great things, but you do really have to push through a lot of resistance until you get there.
Also worth reading:
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>> From OSGi to Jigsaw [branchandbound.net]
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>> Let’s master Java 8 Date Time API [shekhargulati.com]
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>> Gentle Introduction to Hystrix – Hello World [java-allandsundry.com]
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>> Oracle Patches 154 New Security Vulnerabilities [infoq.com]
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>> 20 Years of JavaOne: Highlights from a Developer Point of View [dynatrace.com]
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>> JavaOne 2015 Preview [infoq.com]
Webinars and presentations:
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>> SpringOne 2GX 2015: Technical Keynote [infoq.com]
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>> Tuning Java for Big Data [infoq.com]
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>> IntelliJ IDEA Tips and Tricks [jetbrains.com]
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>> Grails 3.x Update [infoq.com]
Time to upgrade:
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>> Third bug-fix release for ORM 5.0 [in.relation.to]
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>> Elasticsearch 2.0 (+ many others) are out [elastic.co]
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>> Spring Integration Maintenance Releases Available [spring.io]
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>> Spring IO Platform 2.0.0.RC1 [spring.io]
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>> Graphite 0.9.14: the Phoenix Release [obfuscurity.com]
2. Technical
>> Exploring CQRS with Axon Framework: Applying Event Sourcing [geekabyte]
CQRS is certainly possible without event sourcing – and very useful as well. But an event sourced architecture is definitely the natural path for a system that is doing CQRS.
And the Axon framework looks like an interesting way to approach building this kind of system.
Also worth reading:
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>> New EC2 Run Command – Remote Instance Management at Scale [aws.amazon.com]
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>> From Imperative to Functional and Back-Monads are for Functional Languages [infoq.com]
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>> RE: Customizing an Asciidoctor PDF so it looks like an InfoQ Mini-Book [raibledesigns.com]
3. Musings
>> How to Address Your Coworker’s Bad Code (Part 1) [daedtech.com]
Some thoughtful and practical techniques to approach the problem of “bad” code inside a team.
Also worth reading:
4. Comics
And my favorite Dilberts of the week:
